GB2247922B - Motor pump assembly - Google Patents

Motor pump assembly

Info

Publication number
GB2247922B
GB2247922B GB9116032A GB9116032A GB2247922B GB 2247922 B GB2247922 B GB 2247922B GB 9116032 A GB9116032 A GB 9116032A GB 9116032 A GB9116032 A GB 9116032A GB 2247922 B GB2247922 B GB 2247922B
Authority
GB
United Kingdom
Prior art keywords
pump assembly
motor pump
motor
assembly
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB9116032A
Other versions
GB9116032D0 (en
GB2247922A (en
Inventor
Niels Due Jensen
Kurt Frank Nielsen
Bjaerne Dybkjoer Lauridsen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grundfos AS
Original Assignee
Grundfos International AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grundfos International AS filed Critical Grundfos International AS
Publication of GB9116032D0 publication Critical patent/GB9116032D0/en
Publication of GB2247922A publication Critical patent/GB2247922A/en
Application granted granted Critical
Publication of GB2247922B publication Critical patent/GB2247922B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/0633—Details of the bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/06—Lubrication
    • F04D29/061—Lubrication especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/10—Shaft sealings
    • F04D29/106—Shaft sealings especially adapted for liquid pumps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/124—Sealing of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
GB9116032A 1990-07-26 1991-07-25 Motor pump assembly Expired - Fee Related GB2247922B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4023756A DE4023756C1 (en) 1990-07-26 1990-07-26

Publications (3)

Publication Number Publication Date
GB9116032D0 GB9116032D0 (en) 1991-09-11
GB2247922A GB2247922A (en) 1992-03-18
GB2247922B true GB2247922B (en) 1994-05-04

Family

ID=6411056

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9116032A Expired - Fee Related GB2247922B (en) 1990-07-26 1991-07-25 Motor pump assembly

Country Status (4)

Country Link
DE (1) DE4023756C1 (en)
FR (1) FR2665222B1 (en)
GB (1) GB2247922B (en)
IT (1) IT1251099B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4304149C1 (en) * 1993-02-12 1994-09-08 Grundfos As Self-priming motor pump unit
FR2803451B1 (en) * 1999-12-30 2002-03-15 Crouzet Automatismes WATERPROOF ROTOR MOTOR WITH BALL BEARING
DE10137885A1 (en) * 2001-08-02 2003-02-20 Wilo Gmbh Canned motor with cover elements
EP3667091B1 (en) * 2018-12-13 2021-08-18 Grundfos Holding A/S Pump assembly

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1079289A (en) * 1965-04-12 1967-08-16 Porter Co Inc H K Electric motor construction
GB1193384A (en) * 1967-08-02 1970-05-28 Borg Warner Impeller Pump and Electric Motor Assembly
GB1194228A (en) * 1967-08-04 1970-06-10 Ass Elect Ind Improvements relating to Pump Assemblies.
US3614261A (en) * 1970-01-09 1971-10-19 Imc Magnetics Corp Bearing seal means for an electrically driven fan
GB1455168A (en) * 1973-03-22 1976-11-10 Bbc Sulzer Turbomaschinen Machine for delivering or compressing gases
EP0275954A2 (en) * 1987-01-21 1988-07-27 Hitachi, Ltd. Mechanical pump equipment
GB2200166A (en) * 1986-12-24 1988-07-27 Flux Geraete Gmbh Pump and method for the assembly thereof
EP0401761A2 (en) * 1989-06-05 1990-12-12 Ebara Corporation Magnet pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153253B (en) * 1956-08-28 1963-08-22 Emerjy Sarl Electric pump for central heating or the like with can
US3520642A (en) * 1968-10-29 1970-07-14 Process Ind Inc Motor driven pump
FR2063280A5 (en) * 1969-09-02 1971-07-09 Julien & Mege
CH532196A (en) * 1970-12-10 1972-12-31 Bieri Pumpenbau Ag Pump and canned motor unit
DE3609311A1 (en) * 1986-03-20 1987-10-01 Homa Pumpenfabrik Gmbh Centrifugal pump
DE3803774A1 (en) * 1988-02-09 1989-08-17 Grundfos Int PUMP UNIT FOR HEATING SYSTEMS

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1079289A (en) * 1965-04-12 1967-08-16 Porter Co Inc H K Electric motor construction
GB1193384A (en) * 1967-08-02 1970-05-28 Borg Warner Impeller Pump and Electric Motor Assembly
GB1194228A (en) * 1967-08-04 1970-06-10 Ass Elect Ind Improvements relating to Pump Assemblies.
US3614261A (en) * 1970-01-09 1971-10-19 Imc Magnetics Corp Bearing seal means for an electrically driven fan
GB1455168A (en) * 1973-03-22 1976-11-10 Bbc Sulzer Turbomaschinen Machine for delivering or compressing gases
GB2200166A (en) * 1986-12-24 1988-07-27 Flux Geraete Gmbh Pump and method for the assembly thereof
EP0275954A2 (en) * 1987-01-21 1988-07-27 Hitachi, Ltd. Mechanical pump equipment
EP0401761A2 (en) * 1989-06-05 1990-12-12 Ebara Corporation Magnet pump

Also Published As

Publication number Publication date
GB9116032D0 (en) 1991-09-11
GB2247922A (en) 1992-03-18
IT1251099B (en) 1995-05-04
ITMI912049A0 (en) 1991-07-24
DE4023756C1 (en) 1991-12-19
FR2665222A1 (en) 1992-01-31
ITMI912049A1 (en) 1992-01-27
FR2665222B1 (en) 1994-11-10

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000725